Exodus 18:12

Then Jacob offered a sacrifice on the mountain and called his relatives to eat a meal; and they ate the meal and spent the night on the mountain.

Now the priest of Midian had seven daughters; and they came and drew water and filled the troughs to give water to their father’s flock to drink.

Now Moses was pasturing the flock of Jethro his father-in-law, the priest of Midian; and he led the flock to the west side of the wilderness and came to Horeb, the mountain of God.

‘You shall make an altar of earth for Me, and you shall sacrifice on it your burnt offerings and your peace offerings, your sheep and your oxen; in every place where I cause My name to be remembered, I will come to you and bless you.

And he sent young men of the sons of Israel, and they offered burnt offerings and sacrificed young bulls as peace offerings to Yahweh.

Now Moses used to take the tent and pitch it outside the camp, a good distance from the camp, and he called it the tent of meeting. And everyone who sought Yahweh would go out to the tent of meeting which was outside the camp.

Then Moses said to Hobab the son of Reuel the Midianite, Moses’ father-in-law, “We are setting out to the place of which Yahweh said, ‘I will give it to you’; come with us and we will do you good, for Yahweh has promised good concerning Israel.”